$(function(){
	
	var data = [{ name: "北京", cities: ["西城", "东城", "崇文", "宣武", "朝阳", "海淀", "丰台", "石景山", "门头沟", "房山", "通州", "顺义", "大兴", "昌平", "平谷", "怀柔", "密云", "延庆"] },
	          { name: "天津", cities: ["青羊", "河东", "河西", "南开", "河北", "红桥", "塘沽", "汉沽", "大港", "东丽", "西青", "北辰", "津南", "武清", "宝坻", "静海", "宁河", "蓟县", "开发区"] },
	          { name: "河北", cities: ["石家庄", "秦皇岛", "廊坊", "保定", "邯郸", "唐山", "邢台", "衡水", "张家口", "承德", "沧州", "衡水"] },
	          { name: "山西", cities: ["太原", "大同", "长治", "晋中", "阳泉", "朔州", "运城", "临汾"] },
	          { name: "内蒙古", cities: ["呼和浩特", "赤峰", "通辽", "锡林郭勒", "兴安"] },
	          { name: "辽宁", cities: ["大连", "沈阳", "鞍山", "抚顺", "营口", "锦州", "丹东", "朝阳", "辽阳", "阜新", "铁岭", "盘锦", "本溪", "葫芦岛"] },
	          { name: "吉林", cities: ["长春", "吉林", "四平", "辽源", "通化", "延吉", "白城", "辽源", "松原", "临江", "珲春"] },
	          { name: "黑龙江", cities: ["哈尔滨", "齐齐哈尔", "大庆", "牡丹江", "鹤岗", "佳木斯", "绥化"] },
	          { name: "上海", cities: ["浦东", "杨浦", "徐汇", "静安", "卢湾", "黄浦", "普陀", "闸北", "虹口", "长宁", "宝山", "闵行", "嘉定", "金山", "松江", "青浦", "崇明", "奉贤", "南汇"] },
	          { name: "江苏", cities: ["南京", "苏州", "无锡", "常州", "扬州", "徐州", "南通", "镇江", "泰州", "淮安", "连云港", "宿迁", "盐城", "淮阴", "沐阳", "张家港"] },
	          { name: "浙江", cities: ["杭州", "金华", "宁波", "温州", "嘉兴", "绍兴", "丽水", "湖州", "台州", "舟山", "衢州"] },
	          { name: "安徽", cities: ["合肥", "马鞍山", "蚌埠", "黄山", "芜湖", "淮南", "铜陵", "阜阳", "宣城", "安庆"] },
	          { name: "福建", cities: ["福州", "厦门", "泉州", "漳州", "南平", "龙岩", "莆田", "三明", "宁德"] },
	          { name: "江西", cities: ["南昌", "景德镇", "上饶", "萍乡", "九江", "吉安", "宜春", "鹰潭", "新余", "赣州"] },
	          { name: "山东", cities: ["青岛", "济南", "淄博", "烟台", "泰安", "临沂", "日照", "德州", "威海", "东营", "荷泽", "济宁", "潍坊", "枣庄", "聊城"] },
	          { name: "河南", cities: ["郑州", "洛阳", "开封", "平顶山", "濮阳", "安阳", "许昌", "南阳", "信阳", "周口", "新乡", "焦作", "三门峡", "商丘"] },
	          { name: "湖北", cities: ["武汉", "襄樊", "孝感", "十堰", "荆州", "黄石", "宜昌", "黄冈", "恩施", "鄂州", "江汉", "随枣", "荆沙", "咸宁"] },
	          { name: "湖南", cities: ["长沙", "湘潭", "岳阳", "株洲", "怀化", "永州", "益阳", "张家界", "常德", "衡阳", "湘西", "邵阳", "娄底", "郴州"] },
	          { name: "广东", cities: ["广州", "深圳", "东莞", "佛山", "珠海", "汕头", "韶关", "江门", "梅州", "揭阳", "中山", "河源", "惠州", "茂名", "湛江", "阳江", "潮州", "云浮", "汕尾", "潮阳", "肇庆", "顺德", "清远"] },
	          { name: "广西", cities: ["南宁", "桂林", "柳州", "梧州", "来宾", "贵港", "玉林", "贺州"] },
	          { name: "海南", cities: ["海口", "三亚"] },
	          { name: "重庆", cities: ["渝中", "大渡口", "江北", "沙坪坝", "九龙坡", "南岸", "北碚", "万盛", "双桥", "渝北", "巴南", "万州", "涪陵", "黔江", "长寿"] },
	          { name: "四川", cities: ["成都", "达州", "南充", "乐山", "绵阳", "德阳", "内江", "遂宁", "宜宾", "巴中", "自贡", "康定", "攀枝花"] },
	          { name: "贵州", cities: ["贵阳", "遵义", "安顺", "黔西南", "都匀"] },
	          { name: "云南", cities: ["昆明", "丽江", "昭通", "玉溪", "临沧", "文山", "红河", "楚雄", "大理"] },
	          { name: "西藏", cities: ["拉萨", "林芝", "日喀则", "昌都"] },
	          { name: "陕西", cities: ["西安", "咸阳", "延安", "汉中", "榆林", "商南", "略阳", "宜君", "麟游", "白河"] },
	          { name: "甘肃", cities: ["兰州", "金昌", "天水", "武威", "张掖", "平凉", "酒泉"] },
	          { name: "青海", cities: ["黄南", "海南", "西宁", "海东", "海西", "海北", "果洛", "玉树"] },
	          { name: "宁夏", cities: ["银川", "吴忠"] },
	          { name: "新疆", cities: ["乌鲁木齐", "哈密", "喀什", "巴音郭楞", "昌吉", "伊犁", "阿勒泰", "克拉玛依", "博尔塔拉"] },
	          { name: "香港", cities: ["中西区", "湾仔区", "东区", "南区", "九龙-油尖旺区", "九龙-深水埗区", "九龙-九龙城区", "九龙-黄大仙区", "九龙-观塘区", "新界-北区", "新界-大埔区", "新界-沙田区", "新界-西贡区", "新界-荃湾区", "新界-屯门区", "新界-元朗区", "新界-葵青区", "新界-离岛区"] },
	          { name: "澳门", cities: ["花地玛堂区", "圣安多尼堂区", "大堂区", "望德堂区", "风顺堂区", "嘉模堂区", "圣方济各堂区", "路氹城"]}];
	
	var currentCity;
	//加载城市查询插件
    AMap.service(["AMap.CitySearch"], function() {
        //实例化城市查询类
        var citysearch = new AMap.CitySearch();
        //自动获取用户IP，返回当前城市
        citysearch.getLocalCity(function(status, result) {
            if (status === 'complete' && result.info === 'OK') {
                if (result && result.city) {
                	currentCity = result.city;
                	var currentProvince=data[0].name;
                	var options = "";
                	var cityOptions ="";
                	var checked = true;
                	var checkIndex = 0;
                	for (var i = 0; i < data.length; i++) {
                		var province = data[i].name;
                		var cities = data[i].cities;
                		//check city
                		if(checked){
                			for (var k = 0; k < cities.length; k++) {
                				if(currentCity.indexOf(cities[k])==0){
                					currentProvince = province;
                					currentCity = cities[k];
                					checked = false;
                					checkIndex = i;
                					break;
                				}
                			}
                		}
                		options += "<option>"+province+"</option>";
                	}
                	var checkCities = data[checkIndex].cities;
                	for(var j=0; j< checkCities.length; j++){
                		cityOptions += "<option>"+checkCities[j]+"</option>";
                	}

                	$("form #province").html(options).val(currentProvince);
                	$("form #city").html(cityOptions).val(currentCity);
                	return;
                }
            } else {
                document.getElementById('info').innerHTML = "您当前所在城市：" + result.info + "";
            }
            
            var options = "";
        	var cityOptions ="";
        	for (var i = 0; i < data.length; i++) {
        		var province = data[i].name;
        		options += "<option>"+province+"</option>"
        		if(i==0){
        			var cities = data[i].cities;
        			for(var j=0; j< cities.length; j++){
        				cityOptions += "<option>"+cities[j]+"</option>";
        			}
        		}
        	}
        	$("form #province").html(options);
        	$("form #city").html(cityOptions);
        });
    });
	
	
	$("body").delegate("form #province", "change", function(){
		var options = "";
		var _province = $("form #province").val();
		for (var i = 0; i < data.length; i++) {
			var province = data[i].name;
			if(province==_province){
				var cities = data[i].cities;
				for(var j=0; j< cities.length; j++){
					options += "<option>"+cities[j]+"</option>";
				}
			}
		}
		$("form #city").html(options);
	})
})